2012/2/5 Álvaro Castro-Castilla <alvaro.castro.castilla@gmail.com>
Hi!

I open a new thread, because this is a deeper issue than the C++ enums conversion problem.

When I declare this:

(define CAIRO_FORMAT_RGB24 ((c-lambda () cairo-format-t "___result = CAIRO_FORMAT_RGB24;")))

or:
(define CAIRO_FORMAT_RGB24 (c-lambda () cairo-format-t "___result = CAIRO_FORMAT_RGB24;"))
and then call
(CAIRO_FORMAT_RGB24)

my program segfaults. It seems that just executing that c-lambda, returning an enum, fails. The enum is defined as:  (c-define-type cairo-format-t "cairo_format_t")

Ouch - your declaration makes Gambit identify, I think, cairo_format_t as a C structure, and tries to copy its contents fully. Hmm. If this is not how it really is, do (c-define-type cairo-format-t integer) or sth?

I don't understand why this segfaults: 1) I'm declaring the type 2) I'm returning the proper type. What's the problem?


Best regards,

Álvaro

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